High-branch shears

a high-branch shear and branch technology, applied in the field of improved high-branch shears, can solve the problems of laborious shearing of branches, and achieve the effect of quick and convenient adjustmen

Inactive Publication Date: 2007-05-31
CHEN PAO LU
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

[0004] It is therefore a primary object of the present invention to provide a high-branch shears in which a locating member is disposed between a movable member and a fixed seat of an adjustment unit for adjustably fixing a distance between the movable member and the fixed seat. The movable member is slidably fitted on the connecting rod. The fixed seat is fixed on the branch-shearing mechanism or the connecting rod. When it is necessary to adjust the shears for shearing branches with different diameters, by means of the locating member, the distance between the movable member and the fixed seat can be quickly and conveniently adjusted.

Problems solved by technology

This makes it laborious to shear the branches.

Method used

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Examples

Experimental program
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second embodiment

[0033]FIG. 7 shows the present invention, in which the locating member 315 includes a locating bolt 3155 and a locating bar 3156. One side of the locating bar 3156 is formed with several substantially L-shaped notches 3157 facing the connecting rod 2. The locating bolt 3155 can be inlaid and located in any of the notches 3157. When the cord 33 is free from any application force, the locating bar 3156 will move downward due to gravity. Under such circumstance, the locating bolt 3155 will abut against top wall of the notch 3157. When a force is applied to the cord 33 for shearing branches, the locating bar 3156 is driven to move upward. At this time, the locating bolt 3155 abuts against bottom wall of the notch 3157 and is inlaid and located in the notch 3157.

[0034] When it is necessary to adjust the shears for shearing branches with different diameters, as shown in FIGS. 8-1 to 8-3, a user can bias the locating bar 3156 with a finger to make the locating bolt 3155 move out of the not...

third embodiment

[0035]FIG. 9 shows the present invention, in which the fixed seat 4 has a fitting section 41. The branch shearing mechanism 1 is fitted in one end of the fitting section 41, while the connecting rod 2 is fitted in the other end of the fitting section 41. The fixed seat 4 further has two third lugs 42 protruding from the fitting section 41. A third fixed pulley 43 is pivotally mounted between the third lugs 42. One end of the locating member 5 is positioned between the third lugs 42.

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Abstract

A high-branch shears including a branch-shearing mechanism connected with one end of a connecting rod a pulley device composed of an adjustment unit, a movable pulley and a cord passed through and wound on the adjustment unit and the movable pulley. The movable pulley is pivotally mounted on a pulley rack which is pivotally connected with the branch-shearing mechanism. The adjustment unit includes a first fixed pulley, a movable member, a fixed seat and a locating member. The movable member is slidably fitted on the connecting rod. The first fixed pulley is pivotally mounted on the movable member. The fixed seat is fixed on the branch-shearing mechanism or the connecting rod. The locating member is disposed between the movable member and the fixed seat for adjustably fixing a distance between the movable member and the fixed seat. One end of the cord is fixed on the pulley rack. The cord is sequentially passed through and wound on the first fixed pulley and the movable pulley. The other end of the cord is a force application end for a user to pull to drive the branch-shearing mechanism for shearing branches.

Description

BACKGROUND OF THE INVENTION [0001] The present invention is related to an improved high-branch shears in which an adjustment unit is fixed on the branch-shearing mechanism or the connecting rod. The high-branch shears includes a locating member for adjusting a distance between a movable member and a fixed seat. The high-branch shears can be operated to shear branches with less strength. [0002]FIG. 10 shows a conventional high-branch shears having a connecting rod 61 and a shear seat 62 connected with one end of the connecting rod 61. The shear seat 62 has a shear opening 621. A shear board 63 is pivotally mounted on the shear seat 62. The shear board 63 has a blade section 631 corresponding to the shear opening 621 of the shear seat 62. A rocking arm 64 is pivotally connected with the shear seat 62. One end of the shear board 63 distal from the. blade section 631 is pivotally connected with the rocking arm 64. A restoring spring 65 is connected between the rocking arm 64 and the she...

Claims

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Application Information

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IPC IPC(8): B26B13/00
CPCA01G3/0255
InventorCHEN, PAO-LU
OwnerCHEN PAO LU